6.Simplify the expressions and find the value if x is equal to 2: (ii) 3(x+2)+5x–7 6.Simplify the expressions and find the value if x is equal to 2: (ii) 3(x+2)+5x–7 October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,